Christine Haugen. (1989). Multipurpose tree species research for small farms: Strategies and methods. F/FRED.
シカゴスタイル引用形Christine Haugen. Multipurpose Tree Species Research for Small Farms: Strategies and Methods. Jakarta: F/FRED, 1989.
MLA引用形式Christine Haugen. Multipurpose Tree Species Research for Small Farms: Strategies and Methods. F/FRED, 1989.
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